| En Name: | Abyysky District |
| Ru Name: | Абыйский улус |
| Loc Name1: | Абый улууһа |
| Loc Lang1: | Yakut |
| Image View: | Старожилы озера Ожогино.jpg |
| Coordinates: | 68.55°N 160°W |
| Image Coa: | Coat of Arms of Abyisky rayon (Yakutia).png |
| Federal Subject: | Sakha Republic |
| Adm Data As Of: | June 2009 |
| Adm Ctr Type: | urban-type settlement |
| Adm Ctr Name: | Belaya Gora |
| Urban-Type Settlement Of District Significance Type: | Settlements |
| No Of Urban-Type Settlements Of District Significance: | 1 |
| Selsoviet Type1: | Rural okrugs |
| No Of Selsoviets Type1: | 5 |
| No Of Urban-Type Settlements: | 1 |
| No Of Rural Localities: | 6 |
| Mun Data As Of: | April 2012 |
| Mun Formation1: | Abyysky Municipal District |
| Mun Formation1 No Of Urban Settlements: | 1 |
| Mun Formation1 No Of Rural Settlements: | 5 |
| Area As Of: | June 2009 |
| Area Km2: | 69400 |
| Pop 2010Census: | 4425 |
| Urban Pop 2010Census: | 50.7% |
| Rural Pop 2010Census: | 49.3% |
| Pop Latest: | 4095 |
| Pop Latest Date: | January 2016 |
| Pop Latest Ref: | [1] |
| Established Date: | May 25, 1930 |
| Website: | https://mr-abyjskij.sakha.gov.ru/ |
| Date: | April 2013 |
| Bodystyle: | width:23.5em |
| Population of Abyysky District | |
| Label1: | 2010 Census |
| Data1: | 4,425 |
| Label2: | 2002 Census |
| Data2: | 4,750 |
| Label3: | 1989 Census |
| Data3: | 6,097 |
| Label4: | 1979 Census |
| Data4: | 4,803 |
Abyysky District (Russian: Абы́йский улу́с; Yakut: Абый улууһа, Abıy uluuha, pronounced as /abɯj uluːha/) is an administrative[2] and municipal[3] district (raion, or ulus), one of the thirty-four in the Sakha Republic, Russia. It is located in the north of the republic around the Indigirka River and borders with Allaikhovsky District in the north, Srednekolymsky District in the east, Verkhnekolymsky District in the southeast, Momsky District in the south, and with Ust-Yansky District in the west. The area of the district is 69400km2.[4] Its administrative center is the urban locality (an urban-type settlement) of Belaya Gora. As of the 2010 Census, the total population of the district was 4,425, with the population of Belaya Gora accounting for 50.7% of that number.
The Indigirka River and its tributary Uyandina, with the Khatyngnakh, are the main watercourses flowing through the district. The Indigirka is navigable and provides a link to the Kolyma Bay on the East Siberian Sea to the north.[5] The Aby Lowland with up to 15,000 lakes, including Lake Ozhogino, the largest and fifth largest lake in the Sakha Republic, as well as Lake Suturuokha, is located in the district.[6]
Average January temperature is and average July temperature is . Average annual precipitation is 218mm.[7]
The district was established on May 25, 1930. Initially, its administrative center was in the selo of Abyy, but on January 10, 1941 it was moved to Druzhina. On October 4, 1974, it was moved again, this time to Belaya Gora.
Within the framework of administrative divisions, Abyysky District is one of the thirty-four in the republic. It is divided into one settlement (an administrative division with the administrative center in the urban-type settlement (inhabited locality) of Belaya Gora) and five rural okrugs (naslegs), all of which comprise six rural localities. As a municipal division, the district is incorporated as Abyysky Municipal District. The Settlement of Belaya Gora is incorporated into an urban settlement, and the five rural okrugs are incorporated into five rural settlements within the municipal district.[8] The urban-type settlement of Belaya Gora serves as the administrative center of both the administrative and municipal district.
| Settlements/Urban settlements | Population | Inhabited localities in jurisdiction | |
|---|---|---|---|
| Belaya Gora (Russian: Белая Гора) | 2,245 |
| |
| Rural okrugs/Rural settlements | Population | Rural localities in jurisdiction* | |
| Abyysky (Russian: Абыйский) | 544 | ||
| Mayorsky (Russian: Майорский) | 530 |
| |
| Mugurdakhsky (Russian: Мугурдахский) | 421 |
| |
| Uolbutsky (Russian: Уолбутский) | 255 |
| |
| Urasalakhsky (Russian: Урасалахский) | 430 |
|
As of the 2021 Census, the ethnic composition was as follows:[9]
81.3%
9.5%
6.6%
0.7%
0.4%